Re: Recommended sw raid setup

[David Brown <david.brown@hesbynett.no>]

On 02/07/11 23:17, Simon Matthews wrote:
> I thought that I had read the TLER was not useful for mdraid, so that
> enterprise drives were not really advised for mdraid. Am I wrong about
> this?
>
> Also, for the original question: for a home system, do you really need
> the uptime  that RAID provides? I suspect not -- in that case, put
> your money into backups, not RAID.
>

If it's a choice of good backups /or/ raid, go for the backups every 
time.  But if you have the money and space for both, then do both.  Raid 
is not just about uptime - it is also about avoiding the effort and 
inconvenience of rebuilding or reinstalling.

mvh.,

David


> Simon
>
> On Sat, Jul 2, 2011 at 12:45 PM, Drew<drew.kay@gmail.com>  wrote:
>> Hi John,
>>
>> Personally I think you'd be fine with consumer grade drives. Put them
>> in a RAID-5 array and you should be set.
>>
>> The high end consumer&  enterprise stuff w/ TLER and the like is only
>> really needed if you put a lot of demand on the disks, running virtual
>> machines for example. A basic file server for home use won't stress
>> the drives enough to need the more expensive ones.
>>
>>
>> -Drew
>>
>> On 07/02/2011, John Obaterspok<john.obaterspok@gmail.com>  wrote:
>>> Hi,
>>>
>>> I've going to setup a _home_ file server to store all photos&  family
>>> videos, work related material, DNLA streaming and more.
>>>
>>> The server will be set to suspend when not in use for an hour or so.
>>>
>>> I've been thinking about buying 3 x 3 TB SATA disks and put these in
>>> software RAID5 (except for a smaller boot partition on all three disks
>>> which will be RAID1).
>>>
>>> Any recommendation for what SATA drives to get? Should I get
>>> enterprise drives that support TLER (or alike), or will the greener
>>> low cost drives be enough, is there something in between?
>>>
>>> Is it better to buy 4 low cost drives in RAID1 or 3 enterprise drives in
>>> RAID5?
>>>
>>> Please help, I'm completely lost!
>>>
>>> --john
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
>>> the body of a message to majordomo@vger.kernel.org
>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>>
>>
>> --
>> Sent from my mobile device
>>
>> Drew
>>
>> "Nothing in life is to be feared. It is only to be understood."
>> --Marie Curie
>>
>> "This started out as a hobby and spun horribly out of control."
>> -Unknown
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>